331247840

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{167}}^1$

素因数の和:230

約数の個数: 288

約数和(自身を含む): 1042481664

約数和(自身を除く): 711233824

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 23, 28, 32, 35, 40, 44, 46, 49, 55, 56, 70, 77, 80, 88, 92, 98, 110, 112, 115, 140, 154, 160, 161, 167, 176, 184, 196, 220, 224, 230, 245, 253, 280, 308, 322, 334, 352, 368, 385, 392, 440, 460, 490, 506, 539, 560, 616, 644, 668, 736, 770, 784, 805, 835, 880, 920, 980, 1012, 1078, 1120, 1127, 1169, 1232, 1265, 1288, 1336, 1540, 1568, 1610, 1670, 1760, 1771, 1837, 1840, 1960, 2024, 2156, 2254, 2338, 2464, 2530, 2576, 2672, 2695, 3080, 3220, 3340, 3542, 3674, 3680, 3841, 3920, 4048, 4312, 4508, 4676, 5060, 5152, 5344, 5390, 5635, 5845, 6160, 6440, 6680, 7084, 7348, 7682, 7840, 8096, 8183, 8624, 8855, 9016, 9185, 9352, 10120, 10780, 11270, 11690, 12320, 12397, 12859, 12880, 13360, 14168, 14696, 15364, 16366, 17248, 17710, 18032, 18370, 18704, 19205, 20240, 21560, 22540, 23380, 24794, 25718, 25760, 26720, 26887, 28336, 29392, 30728, 32732, 35420, 36064, 36740, 37408, 38410, 40480, 40915, 42251, 43120, 45080, 46760, 49588, 51436, 53774, 56672, 58784, 61456, 61985, 64295, 65464, 70840, 73480, 76820, 81830, 84502, 86240, 90013, 90160, 93520, 99176, 102872, 107548, 122912, 123970, 128590, 130928, 134435, 141680, 146960, 153640, 163660, 169004, 180026, 180320, 187040, 188209, 198352, 205744, 211255, 215096, 247940, 257180, 261856, 268870, 283360, 293920, 295757, 307280, 327320, 338008, 360052, 376418, 396704, 411488, 422510, 430192, 450065, 495880, 514360, 537740, 591514, 614560, 654640, 676016, 720104, 752836, 845020, 860384, 900130, 941045, 991760, 1028720, 1075480, 1183028, 1309280, 1352032, 1440208, 1478785, 1505672, 1690040, 1800260, 1882090, 1983520, 2057440, 2070299, 2150960, 2366056, 2880416, 2957570, 3011344, 3380080, 3600520, 3764180, 4140598, 4301920, 4732112, 5915140, 6022688, 6760160, 7201040, 7528360, 8281196, 9464224, 10351495, 11830280, 14402080, 15056720, 16562392, 20702990, 23660560, 30113440, 33124784, 41405980, 47321120, 66249568, 82811960, 165623920, 331247840]

約数ペア:

[(1, 331247840), (2, 165623920), (4, 82811960), (5, 66249568), (7, 47321120), (8, 41405980), (10, 33124784), (11, 30113440), (14, 23660560), (16, 20702990), (20, 16562392), (22, 15056720), (23, 14402080), (28, 11830280), (32, 10351495), (35, 9464224), (40, 8281196), (44, 7528360), (46, 7201040), (49, 6760160), (55, 6022688), (56, 5915140), (70, 4732112), (77, 4301920), (80, 4140598), (88, 3764180), (92, 3600520), (98, 3380080), (110, 3011344), (112, 2957570), (115, 2880416), (140, 2366056), (154, 2150960), (160, 2070299), (161, 2057440), (167, 1983520), (176, 1882090), (184, 1800260), (196, 1690040), (220, 1505672), (224, 1478785), (230, 1440208), (245, 1352032), (253, 1309280), (280, 1183028), (308, 1075480), (322, 1028720), (334, 991760), (352, 941045), (368, 900130), (385, 860384), (392, 845020), (440, 752836), (460, 720104), (490, 676016), (506, 654640), (539, 614560), (560, 591514), (616, 537740), (644, 514360), (668, 495880), (736, 450065), (770, 430192), (784, 422510), (805, 411488), (835, 396704), (880, 376418), (920, 360052), (980, 338008), (1012, 327320), (1078, 307280), (1120, 295757), (1127, 293920), (1169, 283360), (1232, 268870), (1265, 261856), (1288, 257180), (1336, 247940), (1540, 215096), (1568, 211255), (1610, 205744), (1670, 198352), (1760, 188209), (1771, 187040), (1837, 180320), (1840, 180026), (1960, 169004), (2024, 163660), (2156, 153640), (2254, 146960), (2338, 141680), (2464, 134435), (2530, 130928), (2576, 128590), (2672, 123970), (2695, 122912), (3080, 107548), (3220, 102872), (3340, 99176), (3542, 93520), (3674, 90160), (3680, 90013), (3841, 86240), (3920, 84502), (4048, 81830), (4312, 76820), (4508, 73480), (4676, 70840), (5060, 65464), (5152, 64295), (5344, 61985), (5390, 61456), (5635, 58784), (5845, 56672), (6160, 53774), (6440, 51436), (6680, 49588), (7084, 46760), (7348, 45080), (7682, 43120), (7840, 42251), (8096, 40915), (8183, 40480), (8624, 38410), (8855, 37408), (9016, 36740), (9185, 36064), (9352, 35420), (10120, 32732), (10780, 30728), (11270, 29392), (11690, 28336), (12320, 26887), (12397, 26720), (12859, 25760), (12880, 25718), (13360, 24794), (14168, 23380), (14696, 22540), (15364, 21560), (16366, 20240), (17248, 19205), (17710, 18704), (18032, 18370)]